[1] Univ Amsterdam, Acad Ctr Dent Amsterdam, Dept Periodontol ACTA, NL-1081 LA Amsterdam, Netherlands
[2] Vrije Univ Amsterdam, NL-1081 LA Amsterdam, Netherlands
[3] Acad Med Ctr Amsterdam, Dept Oral & Maxillofacial Surg, Amsterdam, Netherlands
[4] Univ Gothenburg, Sahlgrenska Acad, Dept Oral Microbiol & Immunol, Gothenburg, Sweden
[5] Univ Adelaide, Fac Hlth Sci, Sch Dent, Discipline Oral Diagnost Sci, Adelaide, SA, Australia
[6] Univ Adelaide, Sch Med Sci, Adelaide, SA, Australia
[7] Complejo Hosp Univ Orense, Med Oncol Serv, Orense, Spain
[8] Kaiser Franz Josef Spital, Inst Radioonkol, Vienna, Austria
[9] Univ Adelaide, Sch Dent, Discipline Oral Pathol, Fac Hlth Sci, Adelaide, SA, Australia
[10] Univ Tartu, Hematol Oncol Clin, EE-50090 Tartu, Estonia
[11] Tartu Univ Hosp, Tartu, Estonia
[12] Okayama Univ Hosp, Div Hosp Dent, Cent Clin Dept, Okayama, Japan
[13] Univ Groningen, Univ Med Ctr Groningen, Dept Oral & Maxillofacial Surg, Groningen, Netherlands
[14] Univ Groningen, Univ Med Ctr Groningen, Dept Pediat Oncol, Groningen, Netherlands
[15] City Hope Natl Med Ctr, Div Otolaryngol & Head & Neck Surg, Duarte, CA 91010 USA
[16] Univ Rochester, Med Ctr, Eastman Inst Oral Med, Div Oral Med, Rochester, NY 14642 USA
[17] Univ Connecticut, Ctr Hlth, Sect Oral Med, Farmington, CT USA
[18] Univ Connecticut, Ctr Hlth, Neag Comprehens Canc Ctr, Farmington, CT USA